Play on words, 'backfired'.
When you offer someone some of your food, out of guilt that you are consuming much more than they are, expecting them to say no, they unexpectedly say yes, so you cut your cheeseburger into two uneven pieces, assuming they will take the small bit, and to your surprise they fucking take the large bit..boy that fatfired.
She actually said yes when I offered her some of my chuppa chup..now I have to share the effing thing. That realy fatfired on me.
by itsross May 9, 2008
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Fatfire is a girl that is so chill. She will be very aggressive towards everyone. She usually has brown or black hair and is average height with no ass. She gets roasted a lot but she doesnt give a fuck. Her music be litt af. She is usually paired with a Luis. She is very sexual and loves dick.
We out this weekend Fatfire?
by Shleepp March 14, 2017
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